<span>The word for an array of nonaligned or friendly states that cushion or protect a larger country from invasion, as happened with the former soviet union and its eastern european neighbors is the buffer zone. It is created to specific areas that needs to be protected such as restrictions on the use of resources of that area and the country do its best to create measures to improve the conservation value of that area.</span>
When a political party comes to power, its leaders tend to place many of their faithful followers into important public offices. The use of public offices as rewards for political party work is known as the "Spoils System." The system is popular in numerous nations.
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The “push” factors for the exodus were poor economic conditions in the South—exacerbated by the limitations of sharecropping, farm failures, and crop damage from the boll weevil—as well as ongoing racial oppression in the form of Jim Crow laws.
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The Tang dynasty (Chinese: 唐朝[a]) was an imperial dynasty of China preceded by the Sui dynasty and followed by the Five Dynasties and Ten Kingdoms period. It is generally regarded as a high point in Chinese civilization, and a golden age of cosmopolitan culture.[4] Its territory, acquired through the military campaigns of its early rulers, rivaled that of the Han dynasty, and the Tang capital at Chang'an (present-day Xi'an) was the most populous city in the world.